IF EXISTS (SELECT *
           FROM INFORMATION_SCHEMA.ROUTINES
           WHERE ROUTINE_NAME='pProduct_Update'
           AND ROUTINE_SCHEMA='dbo'
           AND ROUTINE_TYPE='PROCEDURE'
          )
          DROP PROCEDURE dbo.pProduct_Update
GO

CREATE PROC dbo.pProduct_Update
	@vintProductId		INT,
	@vstrName			NVARCHAR(255),
	@vintSalePrice		INT,
	@vintProductTypeId	INT,
	@vintProducerId		INT,
	@vbitHasWarranty	BIT,
	@vintWarrantyTime	INT,
	@vintWarningAmount	INT,
	@vstrBarcode		VARCHAR(12),
	@vstrListedPrice	INT
AS
/*@@*_____________________________________________________________________

  

_____________________________________________________________________*@@*/

/*______________________ CONSTANT DECLARATIONS _________________________*/

  DECLARE
    @cstrThisProc              NVARCHAR(128),
    @cintErrGeneral            INT

  SET @cstrThisProc            = N'pProduct_Update'
  SET @cintErrGeneral          = 50000  -- General error. Used when an
                                        -- error has occurred and no other
                                        -- specific error condition is
                                        -- assigned.

/*______________________ VARIABLE DECLARATIONS _________________________*/

  DECLARE
    @intErrNo       INT,
    @strErrMsg      NVARCHAR(400),
    @intReturn      INT

/*_______________________________ INIT _________________________________*/

  -- Setting NOCOUNT ON prevents additional recordsets with the
  -- "number of records affected" from being returned, which is not
  -- handled the same by all providers, such as for OLEDB vs. ODBC.
  SET NOCOUNT ON

/*________________________ VALIDATE PARAMETERS _________________________*/
	UPDATE Product
	SET
		[Name] = @vstrName,	
		SalePrice = @vintSalePrice,		
		ProductTypeId = @vintProductTypeId,
		ProducerId = @vintProducerId,
		HasWarranty = @vbitHasWarranty,
		WarrantyTime = @vintWarrantyTime,
		WarningAmount = @vintWarningAmount,
		Barcode = @vstrBarcode,
		ListedPrice = @vstrListedPrice		
	WHERE Id = @vintProductId

/*_______________________________ MAIN _________________________________*/



  -- Return value 0 indicates success
  SET @intReturn = 0

lblExit:

  RETURN @intReturn

/*___________________________ ERROR HANDLER ____________________________*/
lblError:
  -- An error has occurred.  On entering this section @intErrNo should
  -- already hold the error number

  -- By default, if there are any open transactions then roll them back
  IF (@@TRANCOUNT > 0) BEGIN
    ROLLBACK TRAN

  END

  -- If return value has not been explicitly set, then use the error
  -- number as return value to signify failure
  IF ((@intReturn IS NULL) OR (@intReturn = 0)) BEGIN
    SET @intReturn = @intErrNo

  END

 GOTO lblExit


